<?php
require_once 'AopEncrypt.php';
class AopClient
{
	// 应用ID
	public $appId;
	// 私钥文件路径
	public $rsaPrivateKeyFilePath;
	
	// 私钥值
	public $rsaPrivateKey;
	// 网关
	public $gatewayUrl = "https://openapi.alipay.com/gateway.do";
	// 返回数据格式
	public $format = "json";
	// api版本
	public $apiVersion = "1.0";
	
	// 表单提交字符集编码
	public $postCharset = "UTF-8";
	public $alipayPublicKey = null;
	public $alipayrsaPublicKey;
	public $debugInfo = false;
	private $fileCharset = "UTF-8";
	private $RESPONSE_SUFFIX = "_response";
	private $ERROR_RESPONSE = "error_response";
	private $SIGN_NODE_NAME = "sign";
	
	// 加密XML节点名称
	private $ENCRYPT_XML_NODE_NAME = "response_encrypted";
	private $needEncrypt = false;
	
	// 签名类型
	public $signType = "RSA";
	
	// 加密密钥和类型
	public $encryptKey;
	public $encryptType = "AES";
	protected $alipaySdkVersion = "alipay-sdk-php-20161101";

	public function generateSign($params, $signType = "RSA")
	{
		return $this->sign($this->getSignContent($params), $signType);
	}

	public function rsaSign($params, $signType = "RSA")
	{
		return $this->sign($this->getSignContent($params), $signType);
	}

	protected function getSignContent($params)
	{
		ksort($params);
		
		$stringToBeSigned = "";
		$i = 0;
		foreach ($params as $k => $v)
		{
			if (false === $this->checkEmpty($v) && "@" != substr($v, 0, 1))
			{
				
				// 转换成目标字符集
				$v = $this->characet($v, $this->postCharset);
				
				if ($i == 0)
				{
					$stringToBeSigned .= "$k" . "=" . "$v";
				}
				else
				{
					$stringToBeSigned .= "&" . "$k" . "=" . "$v";
				}
				$i++;
			}
		}
		
		unset($k, $v);
		return $stringToBeSigned;
	}

	protected function sign($data, $signType = "RSA")
	{
		if ($this->checkEmpty($this->rsaPrivateKeyFilePath))
		{
			$priKey = $this->rsaPrivateKey;
			$res = "-----BEGIN RSA PRIVATE KEY-----\n" . wordwrap($priKey, 64, "\n", true) . "\n-----END RSA PRIVATE KEY-----";
		}
		else
		{
			$priKey = file_get_contents($this->rsaPrivateKeyFilePath);
			$res = openssl_get_privatekey($priKey);
		}
		
		($res) or die('您使用的私钥格式错误，请检查RSA私钥配置');
		
		if ("RSA2" == $signType)
		{
			openssl_sign($data, $sign, $res, OPENSSL_ALGO_SHA256);
		}
		else
		{
			openssl_sign($data, $sign, $res);
		}
		
		if (!$this->checkEmpty($this->rsaPrivateKeyFilePath))
		{
			openssl_free_key($res);
		}
		$sign = base64_encode($sign);
		return $sign;
	}

	protected function curl($url, $postFields = null)
	{
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_FAILONERROR, false);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		
		$postBodyString = "";
		$encodeArray = Array();
		$postMultipart = false;
		
		if (is_array($postFields) && 0 < count($postFields))
		{
			
			foreach ($postFields as $k => $v)
			{
				if ("@" != substr($v, 0, 1)) // 判断是不是文件上传
				{
					
					$postBodyString .= "$k=" . urlencode($this->characet($v, $this->postCharset)) . "&";
					$encodeArray[$k] = $this->characet($v, $this->postCharset);
				}
				else // 文件上传用multipart/form-data，否则用www-form-urlencoded
				{
					$postMultipart = true;
					$encodeArray[$k] = new \CURLFile(substr($v, 1));
				}
			}
			unset($k, $v);
			curl_setopt($ch, CURLOPT_POST, true);
			if ($postMultipart)
			{
				curl_setopt($ch, CURLOPT_POSTFIELDS, $encodeArray);
			}
			else
			{
				curl_setopt($ch, CURLOPT_POSTFIELDS, substr($postBodyString, 0, -1));
			}
		}
		
		if ($postMultipart)
		{
			
			$headers = array(
					'content-type: multipart/form-data;charset=' . $this->postCharset . ';boundary=' . $this->getMillisecond()
			);
		}
		else
		{
			
			$headers = array(
					'content-type: application/x-www-form-urlencoded;charset=' . $this->postCharset
			);
		}
		curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
		
		$reponse = curl_exec($ch);
		
		if (curl_errno($ch))
		{
			
			throw new Exception(curl_error($ch), 0);
		}
		else
		{
			$httpStatusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
			if (200 !== $httpStatusCode)
			{
				throw new Exception($reponse, $httpStatusCode);
			}
		}
		
		curl_close($ch);
		return $reponse;
	}

	protected function getMillisecond()
	{
		list ($s1, $s2) = explode(' ', microtime());
		return (float) sprintf('%.0f', (floatval($s1) + floatval($s2)) * 1000);
	}

	protected function logCommunicationError($apiName, $requestUrl, $errorCode, $responseTxt)
	{
		$localIp = isset($_SERVER["SERVER_ADDR"]) ? $_SERVER["SERVER_ADDR"] : "CLI";
		$logger = new LtLogger();
		$logger->conf["log_file"] = rtrim(AOP_SDK_WORK_DIR, '\\/') . '/' . "logs/aop_comm_err_" . $this->appId . "_" . date("Y-m-d") . ".log";
		$logger->conf["separator"] = "^_^";
		$logData = array(
				date("Y-m-d H:i:s"),$apiName,$this->appId,$localIp,PHP_OS,$this->alipaySdkVersion,$requestUrl,$errorCode,str_replace("\n", "", $responseTxt)
		);
		$logger->log($logData);
	}

	/**
	 * 生成用于调用收银台SDK的字符串
	 * 
	 * @param $request SDK接口的请求参数对象 
	 * @return string
	 * @author guofa.tgf
	 */
	public function sdkExecute($request)
	{
		$this->setupCharsets($request);
		
		$params['app_id'] = $this->appId;
		$params['method'] = $request->getApiMethodName();
		$params['format'] = $this->format;
		$params['sign_type'] = $this->signType;
		$params['timestamp'] = date("Y-m-d H:i:s");
		$params['alipay_sdk'] = $this->alipaySdkVersion;
		$params['charset'] = $this->postCharset;
		
		$version = $request->getApiVersion();
		$params['version'] = $this->checkEmpty($version) ? $this->apiVersion : $version;
		
		if ($notify_url = $request->getNotifyUrl())
		{
			$params['notify_url'] = $notify_url;
		}
		
		$dict = $request->getApiParas();
		$params['biz_content'] = $dict['biz_content'];
		
		ksort($params);
		
		$params['sign'] = $this->generateSign($params, $this->signType);
		
		foreach ($params as &$value)
		{
			$value = $this->characet($value, $params['charset']);
		}
		
		return http_build_query($params);
	}

	/*
	 * 页面提交执行方法 @param：跳转类接口的request; $httpmethod 提交方式。两个值可选：post、get @return：构建好的、签名后的最终跳转URL（GET）或String形式的form（POST） auther:笙默
	 */
	public function pageExecute($request, $httpmethod = "POST")
	{
		$this->setupCharsets($request);
		
		if (strcasecmp($this->fileCharset, $this->postCharset))
		{
			
			// writeLog("本地文件字符集编码与表单提交编码不一致，请务必设置成一样，属性名分别为postCharset!");
			throw new Exception("文件编码：[" . $this->fileCharset . "] 与表单提交编码：[" . $this->postCharset . "]两者不一致!");
		}
		
		$iv = null;
		
		if (!$this->checkEmpty($request->getApiVersion()))
		{
			$iv = $request->getApiVersion();
		}
		else
		{
			$iv = $this->apiVersion;
		}
		
		// 组装系统参数
		$sysParams["app_id"] = $this->appId;
		$sysParams["version"] = $iv;
		$sysParams["format"] = $this->format;
		$sysParams["sign_type"] = $this->signType;
		$sysParams["method"] = $request->getApiMethodName();
		$sysParams["timestamp"] = date("Y-m-d H:i:s");
		$sysParams["alipay_sdk"] = $this->alipaySdkVersion;
		$sysParams["terminal_type"] = $request->getTerminalType();
		$sysParams["terminal_info"] = $request->getTerminalInfo();
		$sysParams["prod_code"] = $request->getProdCode();
		$sysParams["notify_url"] = $request->getNotifyUrl();
		$sysParams["return_url"] = $request->getReturnUrl();
		$sysParams["charset"] = $this->postCharset;
		
		// 获取业务参数
		$apiParams = $request->getApiParas();
		
		if (method_exists($request, "getNeedEncrypt") && $request->getNeedEncrypt())
		{
			
			$sysParams["encrypt_type"] = $this->encryptType;
			
			if ($this->checkEmpty($apiParams['biz_content']))
			{
				
				throw new Exception(" api request Fail! The reason : encrypt request is not supperted!");
			}
			
			if ($this->checkEmpty($this->encryptKey) || $this->checkEmpty($this->encryptType))
			{
				
				throw new Exception(" encryptType and encryptKey must not null! ");
			}
			
			if ("AES" != $this->encryptType)
			{
				
				throw new Exception("加密类型只支持AES");
			}
			
			// 执行加密
			$enCryptContent = encrypt($apiParams['biz_content'], $this->encryptKey);
			$apiParams['biz_content'] = $enCryptContent;
		}
		
		// print_r($apiParams);
		$totalParams = array_merge($apiParams, $sysParams);
		
		// 待签名字符串
		$preSignStr = $this->getSignContent($totalParams);
		
		// 签名
		$totalParams["sign"] = $this->generateSign($totalParams, $this->signType);
		
		if ("GET" == $httpmethod)
		{
			
			// 拼接GET请求串
			$requestUrl = $this->gatewayUrl . "?" . $preSignStr . "&sign=" . urlencode($totalParams["sign"]);
			
			return $requestUrl;
		}
		else
		{
			// 拼接表单字符串
			return $this->buildRequestForm($totalParams);
		}
	}

	/**
	 * 建立请求，以表单HTML形式构造（默认）
	 * 
	 * @param $para_temp 请求参数数组 
	 * @return 提交表单HTML文本
	 */
	protected function buildRequestForm($para_temp)
	{
		$sHtml = "<form id='alipaysubmit' name='alipaysubmit' action='" . $this->gatewayUrl . "?charset=" . trim($this->postCharset) . "' method='POST'>";
		while (list ($key, $val) = each($para_temp))
		{
			if (false === $this->checkEmpty($val))
			{
				// $val = $this->characet($val, $this->postCharset);
				$val = str_replace("'", "&apos;", $val);
				// $val = str_replace("\"","&quot;",$val);
				$sHtml .= "<input type='hidden' name='" . $key . "' value='" . $val . "'/>";
			}
		}
		
		// submit按钮控件请不要含有name属性
		$sHtml = $sHtml . "<input type='submit' value='ok' style='display:none;''></form>";
		
		$sHtml = $sHtml . "<script>document.forms['alipaysubmit'].submit();</script>";
		
		return $sHtml;
	}

	public function execute($request, $authToken = null, $appInfoAuthtoken = null)
	{
		$this->setupCharsets($request);
		
		// // 如果两者编码不一致，会出现签名验签或者乱码
		if (strcasecmp($this->fileCharset, $this->postCharset))
		{
			
			// writeLog("本地文件字符集编码与表单提交编码不一致，请务必设置成一样，属性名分别为postCharset!");
			throw new Exception("文件编码：[" . $this->fileCharset . "] 与表单提交编码：[" . $this->postCharset . "]两者不一致!");
		}
		
		$iv = null;
		
		if (!$this->checkEmpty($request->getApiVersion()))
		{
			$iv = $request->getApiVersion();
		}
		else
		{
			$iv = $this->apiVersion;
		}
		
		// 组装系统参数
		$sysParams["app_id"] = $this->appId;
		$sysParams["version"] = $iv;
		$sysParams["format"] = $this->format;
		$sysParams["sign_type"] = $this->signType;
		$sysParams["method"] = $request->getApiMethodName();
		$sysParams["timestamp"] = date("Y-m-d H:i:s");
		$sysParams["auth_token"] = $authToken;
		$sysParams["alipay_sdk"] = $this->alipaySdkVersion;
		$sysParams["terminal_type"] = $request->getTerminalType();
		$sysParams["terminal_info"] = $request->getTerminalInfo();
		$sysParams["prod_code"] = $request->getProdCode();
		$sysParams["notify_url"] = $request->getNotifyUrl();
		$sysParams["charset"] = $this->postCharset;
		$sysParams["app_auth_token"] = $appInfoAuthtoken;
		
		// 获取业务参数
		$apiParams = $request->getApiParas();
		
		if (method_exists($request, "getNeedEncrypt") && $request->getNeedEncrypt())
		{
			
			$sysParams["encrypt_type"] = $this->encryptType;
			
			if ($this->checkEmpty($apiParams['biz_content']))
			{
				
				throw new Exception(" api request Fail! The reason : encrypt request is not supperted!");
			}
			
			if ($this->checkEmpty($this->encryptKey) || $this->checkEmpty($this->encryptType))
			{
				
				throw new Exception(" encryptType and encryptKey must not null! ");
			}
			
			if ("AES" != $this->encryptType)
			{
				
				throw new Exception("加密类型只支持AES");
			}
			
			// 执行加密
			$enCryptContent = encrypt($apiParams['biz_content'], $this->encryptKey);
			$apiParams['biz_content'] = $enCryptContent;
		}
		
		// 签名
		$sysParams["sign"] = $this->generateSign(array_merge($apiParams, $sysParams), $this->signType);
		
		// 系统参数放入GET请求串
		$requestUrl = $this->gatewayUrl . "?";
		foreach ($sysParams as $sysParamKey => $sysParamValue)
		{
			$requestUrl .= "$sysParamKey=" . urlencode($this->characet($sysParamValue, $this->postCharset)) . "&";
		}
		$requestUrl = substr($requestUrl, 0, -1);
		
		// 发起HTTP请求
		try
		{
			$resp = $this->curl($requestUrl, $apiParams);
		}
		catch (Exception $e)
		{
			
			$this->logCommunicationError($sysParams["method"], $requestUrl, "HTTP_ERROR_" . $e->getCode(), $e->getMessage());
			return false;
		}
		
		// 解析AOP返回结果
		$respWellFormed = false;
		
		// 将返回结果转换本地文件编码
		$r = iconv($this->postCharset, $this->fileCharset . "//IGNORE", $resp);
		
		$signData = null;
		
		if ("json" == $this->format)
		{
			
			$respObject = json_decode($r);
			if (null !== $respObject)
			{
				$respWellFormed = true;
				$signData = $this->parserJSONSignData($request, $resp, $respObject);
			}
		}
		else if ("xml" == $this->format)
		{
			
			$respObject = @ simplexml_load_string($resp);
			if (false !== $respObject)
			{
				$respWellFormed = true;
				
				$signData = $this->parserXMLSignData($request, $resp);
			}
		}
		
		// 返回的HTTP文本不是标准JSON或者XML，记下错误日志
		if (false === $respWellFormed)
		{
			$this->logCommunicationError($sysParams["method"], $requestUrl, "HTTP_RESPONSE_NOT_WELL_FORMED", $resp);
			return false;
		}
		
		// 验签
		$this->checkResponseSign($request, $signData, $resp, $respObject);
		
		// 解密
		if (method_exists($request, "getNeedEncrypt") && $request->getNeedEncrypt())
		{
			
			if ("json" == $this->format)
			{
				
				$resp = $this->encryptJSONSignSource($request, $resp);
				
				// 将返回结果转换本地文件编码
				$r = iconv($this->postCharset, $this->fileCharset . "//IGNORE", $resp);
				$respObject = json_decode($r);
			}
			else
			{
				
				$resp = $this->encryptXMLSignSource($request, $resp);
				
				$r = iconv($this->postCharset, $this->fileCharset . "//IGNORE", $resp);
				$respObject = @ simplexml_load_string($r);
			}
		}
		
		return $respObject;
	}

	/**
	 * 转换字符集编码
	 * 
	 * @param
	 * $data
	 * @param
	 * $targetCharset
	 * @return string
	 */
	function characet($data, $targetCharset)
	{
		if (!empty($data))
		{
			$fileType = $this->fileCharset;
			if (strcasecmp($fileType, $targetCharset) != 0)
			{
				$data = mb_convert_encoding($data, $targetCharset, $fileType);
				// $data = iconv($fileType, $targetCharset.'//IGNORE', $data);
			}
		}
		
		return $data;
	}

	public function exec($paramsArray)
	{
		if (!isset($paramsArray["method"]))
		{
			trigger_error("No api name passed");
		}
		$inflector = new LtInflector();
		$inflector->conf["separator"] = ".";
		$requestClassName = ucfirst($inflector->camelize(substr($paramsArray["method"], 7))) . "Request";
		if (!class_exists($requestClassName))
		{
			trigger_error("No such api: " . $paramsArray["method"]);
		}
		
		$session = isset($paramsArray["session"]) ? $paramsArray["session"] : null;
		
		$req = new $requestClassName();
		foreach ($paramsArray as $paraKey => $paraValue)
		{
			$inflector->conf["separator"] = "_";
			$setterMethodName = $inflector->camelize($paraKey);
			$inflector->conf["separator"] = ".";
			$setterMethodName = "set" . $inflector->camelize($setterMethodName);
			if (method_exists($req, $setterMethodName))
			{
				$req->$setterMethodName($paraValue);
			}
		}
		return $this->execute($req, $session);
	}

	/**
	 * 校验$value是否非空 if not set ,return true; if is null , return true;
	 */
	protected function checkEmpty($value)
	{
		if (!isset($value))
			return true;
		if ($value === null)
			return true;
		if (trim($value) === "")
			return true;
		
		return false;
	}

	/**
	 * rsaCheckV1 & rsaCheckV2 验证签名 在使用本方法前，必须初始化AopClient且传入公钥参数。 公钥是否是读取字符串还是读取文件，是根据初始化传入的值判断的。
	 */
	public function rsaCheckV1($params, $rsaPublicKeyFilePath, $signType = 'RSA')
	{
		$sign = $params['sign'];
		$params['sign_type'] = null;
		$params['sign'] = null;
		return $this->verify($this->getSignContent($params), $sign, $rsaPublicKeyFilePath, $signType);
	}

	public function rsaCheckV2($params, $rsaPublicKeyFilePath, $signType = 'RSA')
	{
		$sign = $params['sign'];
		$params['sign'] = null;
		return $this->verify($this->getSignContent($params), $sign, $rsaPublicKeyFilePath, $signType);
	}

	function verify($data, $sign, $rsaPublicKeyFilePath, $signType = 'RSA')
	{
		if ($this->checkEmpty($this->alipayPublicKey))
		{
			$pubKey = $this->alipayrsaPublicKey;
			$res = "-----BEGIN PUBLIC KEY-----\n" . wordwrap($pubKey, 64, "\n", true) . "\n-----END PUBLIC KEY-----";
		}
		else
		{
			// 读取公钥文件
			$pubKey = file_get_contents($rsaPublicKeyFilePath);
			// 转换为openssl格式密钥
			$res = openssl_get_publickey($pubKey);
		}
		
		($res) or die('支付宝RSA公钥错误。请检查公钥文件格式是否正确');
		
		// 调用openssl内置方法验签，返回bool值
		
		if ("RSA2" == $signType)
		{
			$result = (bool) openssl_verify($data, base64_decode($sign), $res, OPENSSL_ALGO_SHA256);
		}
		else
		{
			$result = (bool) openssl_verify($data, base64_decode($sign), $res);
		}
		
		if (!$this->checkEmpty($this->alipayPublicKey))
		{
			// 释放资源
			openssl_free_key($res);
		}
		
		return $result;
	}

	public function checkSignAndDecrypt($params, $rsaPublicKeyPem, $rsaPrivateKeyPem, $isCheckSign, $isDecrypt)
	{
		$charset = $params['charset'];
		$bizContent = $params['biz_content'];
		if ($isCheckSign)
		{
			if (!$this->rsaCheckV2($params, $rsaPublicKeyPem))
			{
				echo "<br/>checkSign failure<br/>";
				exit();
			}
		}
		if ($isDecrypt)
		{
			return $this->rsaDecrypt($bizContent, $rsaPrivateKeyPem, $charset);
		}
		
		return $bizContent;
	}

	public function encryptAndSign($bizContent, $rsaPublicKeyPem, $rsaPrivateKeyPem, $charset, $isEncrypt, $isSign)
	{
		// 加密，并签名
		if ($isEncrypt && $isSign)
		{
			$encrypted = $this->rsaEncrypt($bizContent, $rsaPublicKeyPem, $charset);
			$sign = $this->sign($bizContent);
			$response = "<?xml version=\"1.0\" encoding=\"$charset\"?><alipay><response>$encrypted</response><encryption_type>RSA</encryption_type><sign>$sign</sign><sign_type>RSA</sign_type></alipay>";
			return $response;
		}
		// 加密，不签名
		if ($isEncrypt && (!$isSign))
		{
			$encrypted = $this->rsaEncrypt($bizContent, $rsaPublicKeyPem, $charset);
			$response = "<?xml version=\"1.0\" encoding=\"$charset\"?><alipay><response>$encrypted</response><encryption_type>RSA</encryption_type></alipay>";
			return $response;
		}
		// 不加密，但签名
		if ((!$isEncrypt) && $isSign)
		{
			$sign = $this->sign($bizContent);
			$response = "<?xml version=\"1.0\" encoding=\"$charset\"?><alipay><response>$bizContent</response><sign>$sign</sign><sign_type>RSA</sign_type></alipay>";
			return $response;
		}
		// 不加密，不签名
		$response = "<?xml version=\"1.0\" encoding=\"$charset\"?>$bizContent";
		return $response;
	}

	public function rsaEncrypt($data, $rsaPublicKeyPem, $charset)
	{
		// 读取公钥文件
		$pubKey = file_get_contents($rsaPublicKeyPem);
		// 转换为openssl格式密钥
		$res = openssl_get_publickey($pubKey);
		$blocks = $this->splitCN($data, 0, 30, $charset);
		$chrtext  = null;
		$encodes  = array();
		foreach ($blocks as $n => $block)
		{
			if (!openssl_public_encrypt($block, $chrtext , $res))
			{
				echo "<br/>" . openssl_error_string() . "<br/>";
			}
			$encodes[] = $chrtext ;
		}
		$chrtext = implode(",", $encodes);
		
		return $chrtext;
	}

	public function rsaDecrypt($data, $rsaPrivateKeyPem, $charset)
	{
		// 读取私钥文件
		$priKey = file_get_contents($rsaPrivateKeyPem);
		// 转换为openssl格式密钥
		$res = openssl_get_privatekey($priKey);
		$decodes = explode(',', $data);
		$strnull = "";
		$dcyCont = "";
		foreach ($decodes as $n => $decode)
		{
			if (!openssl_private_decrypt($decode, $dcyCont, $res))
			{
				echo "<br/>" . openssl_error_string() . "<br/>";
			}
			$strnull .= $dcyCont;
		}
		return $strnull;
	}

	function splitCN($cont, $n = 0, $subnum, $charset)
	{
		// $len = strlen($cont) / 3;
		$arrr = array();
		for($i = $n; $i < strlen($cont); $i += $subnum)
		{
			$res = $this->subCNchar($cont, $i, $subnum, $charset);
			if (!empty($res))
			{
				$arrr[] = $res;
			}
		}
		
		return $arrr;
	}

	function subCNchar($str, $start = 0, $length, $charset = "gbk")
	{
		if (strlen($str) <= $length)
		{
			return $str;
		}
		$re['utf-8'] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";
		$re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";
		$re['gbk'] = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";
		$re['big5'] = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";
		preg_match_all($re[$charset], $str, $match);
		$slice = join("", array_slice($match[0], $start, $length));
		return $slice;
	}

	function parserResponseSubCode($request, $responseContent, $respObject, $format)
	{
		if ("json" == $format)
		{
			
			$apiName = $request->getApiMethodName();
			$rootNodeName = str_replace(".", "_", $apiName) . $this->RESPONSE_SUFFIX;
			$errorNodeName = $this->ERROR_RESPONSE;
			
			$rootIndex = strpos($responseContent, $rootNodeName);
			$errorIndex = strpos($responseContent, $errorNodeName);
			
			if ($rootIndex > 0)
			{
				// 内部节点对象
				$rInnerObject = $respObject->$rootNodeName;
			}
			elseif ($errorIndex > 0)
			{
				
				$rInnerObject = $respObject->$errorNodeName;
			}
			else
			{
				return null;
			}
			
			// 存在属性则返回对应值
			if (isset($rInnerObject->sub_code))
			{
				
				return $rInnerObject->sub_code;
			}
			else
			{
				
				return null;
			}
		}
		elseif ("xml" == $format)
		{
			
			// xml格式sub_code在同一层级
			return $respObject->sub_code;
		}
	}

	function parserJSONSignData($request, $responseContent, $responseJSON)
	{
		$signData = new SignData();
		
		$signData->sign = $this->parserJSONSign($responseJSON);
		$signData->signSourceData = $this->parserJSONSignSource($request, $responseContent);
		
		return $signData;
	}

	function parserJSONSignSource($request, $responseContent)
	{
		$apiName = $request->getApiMethodName();
		$rootNodeName = str_replace(".", "_", $apiName) . $this->RESPONSE_SUFFIX;
		
		$rootIndex = strpos($responseContent, $rootNodeName);
		$errorIndex = strpos($responseContent, $this->ERROR_RESPONSE);
		
		if ($rootIndex > 0)
		{
			
			return $this->parserJSONSource($responseContent, $rootNodeName, $rootIndex);
		}
		else if ($errorIndex > 0)
		{
			
			return $this->parserJSONSource($responseContent, $this->ERROR_RESPONSE, $errorIndex);
		}
		else
		{
			
			return null;
		}
	}

	function parserJSONSource($responseContent, $nodeName, $nodeIndex)
	{
		$signDataStartIndex = $nodeIndex + strlen($nodeName) + 2;
		$signIndex = strpos($responseContent, "\"" . $this->SIGN_NODE_NAME . "\"");
		// 签名前-逗号
		$signDataEndIndex = $signIndex - 1;
		$indexLen = $signDataEndIndex - $signDataStartIndex;
		if ($indexLen < 0)
		{
			
			return null;
		}
		
		return substr($responseContent, $signDataStartIndex, $indexLen);
	}

	function parserJSONSign($responseJSon)
	{
		return $responseJSon->sign;
	}

	function parserXMLSignData($request, $responseContent)
	{
		$signData = new SignData();
		
		$signData->sign = $this->parserXMLSign($responseContent);
		$signData->signSourceData = $this->parserXMLSignSource($request, $responseContent);
		
		return $signData;
	}

	function parserXMLSignSource($request, $responseContent)
	{
		$apiName = $request->getApiMethodName();
		$rootNodeName = str_replace(".", "_", $apiName) . $this->RESPONSE_SUFFIX;
		
		$rootIndex = strpos($responseContent, $rootNodeName);
		$errorIndex = strpos($responseContent, $this->ERROR_RESPONSE);
		// $this->echoDebug("<br/>rootNodeName:" . $rootNodeName);
		// $this->echoDebug("<br/> responseContent:<xmp>" . $responseContent . "</xmp>");
		
		if ($rootIndex > 0)
		{
			
			return $this->parserXMLSource($responseContent, $rootNodeName, $rootIndex);
		}
		else if ($errorIndex > 0)
		{
			
			return $this->parserXMLSource($responseContent, $this->ERROR_RESPONSE, $errorIndex);
		}
		else
		{
			
			return null;
		}
	}

	function parserXMLSource($responseContent, $nodeName, $nodeIndex)
	{
		$signDataStartIndex = $nodeIndex + strlen($nodeName) + 1;
		$signIndex = strpos($responseContent, "<" . $this->SIGN_NODE_NAME . ">");
		// 签名前-逗号
		$signDataEndIndex = $signIndex - 1;
		$indexLen = $signDataEndIndex - $signDataStartIndex + 1;
		
		if ($indexLen < 0)
		{
			return null;
		}
		
		return substr($responseContent, $signDataStartIndex, $indexLen);
	}

	function parserXMLSign($responseContent)
	{
		$signNodeName = "<" . $this->SIGN_NODE_NAME . ">";
		$signEndNodeName = "</" . $this->SIGN_NODE_NAME . ">";
		
		$indexOfSignNode = strpos($responseContent, $signNodeName);
		$indexOfSignEndNode = strpos($responseContent, $signEndNodeName);
		
		if ($indexOfSignNode < 0 || $indexOfSignEndNode < 0)
		{
			return null;
		}
		
		$nodeIndex = ($indexOfSignNode + strlen($signNodeName));
		
		$indexLen = $indexOfSignEndNode - $nodeIndex;
		
		if ($indexLen < 0)
		{
			return null;
		}
		
		// 签名
		return substr($responseContent, $nodeIndex, $indexLen);
	}

	/**
	 * 验签
	 * 
	 * @param
	 * $request
	 * @param
	 * $signData
	 * @param
	 * $resp
	 * @param
	 * $respObject
	 * @throws Exception
	 */
	public function checkResponseSign($request, $signData, $resp, $respObject)
	{
		if (!$this->checkEmpty($this->alipayPublicKey) || !$this->checkEmpty($this->alipayrsaPublicKey))
		{
			
			if ($signData == null || $this->checkEmpty($signData->sign) || $this->checkEmpty($signData->signSourceData))
			{
				
				throw new Exception(" check sign Fail! The reason : signData is Empty");
			}
			
			// 获取结果sub_code
			$responseSubCode = $this->parserResponseSubCode($request, $resp, $respObject, $this->format);
			
			if (!$this->checkEmpty($responseSubCode) || ($this->checkEmpty($responseSubCode) && !$this->checkEmpty($signData->sign)))
			{
				
				$checkResult = $this->verify($signData->signSourceData, $signData->sign, $this->alipayPublicKey, $this->signType);
				
				if (!$checkResult)
				{
					
					if (strpos($signData->signSourceData, "\\/") > 0)
					{
						
						$signData->signSourceData = str_replace("\\/", "/", $signData->signSourceData);
						
						$checkResult = $this->verify($signData->signSourceData, $signData->sign, $this->alipayPublicKey, $this->signType);
						
						if (!$checkResult)
						{
							throw new Exception("check sign Fail! [sign=" . $signData->sign . ", signSourceData=" . $signData->signSourceData . "]");
						}
					}
					else
					{
						
						throw new Exception("check sign Fail! [sign=" . $signData->sign . ", signSourceData=" . $signData->signSourceData . "]");
					}
				}
			}
		}
	}

	private function setupCharsets($request)
	{
		if ($this->checkEmpty($this->postCharset))
		{
			$this->postCharset = 'UTF-8';
		}
		$str = preg_match('/[\x80-\xff]/', $this->appId) ? $this->appId : print_r($request, true);
		$this->fileCharset = mb_detect_encoding($str, "UTF-8, GBK") == 'UTF-8' ? 'UTF-8' : 'GBK';
	}

	// 获取加密内容
	private function encryptJSONSignSource($request, $responseContent)
	{
		$parsetItem = $this->parserEncryptJSONSignSource($request, $responseContent);
		
		$bodyIndexContent = substr($responseContent, 0, $parsetItem->startIndex);
		$bodyEndContent = substr($responseContent, $parsetItem->endIndex, strlen($responseContent) + 1 - $parsetItem->endIndex);
		
		$bizContent = decrypt($parsetItem->encryptContent, $this->encryptKey);
		return $bodyIndexContent . $bizContent . $bodyEndContent;
	}

	private function parserEncryptJSONSignSource($request, $responseContent)
	{
		$apiName = $request->getApiMethodName();
		$rootNodeName = str_replace(".", "_", $apiName) . $this->RESPONSE_SUFFIX;
		
		$rootIndex = strpos($responseContent, $rootNodeName);
		$errorIndex = strpos($responseContent, $this->ERROR_RESPONSE);
		
		if ($rootIndex > 0)
		{
			
			return $this->parserEncryptJSONItem($responseContent, $rootNodeName, $rootIndex);
		}
		else if ($errorIndex > 0)
		{
			
			return $this->parserEncryptJSONItem($responseContent, $this->ERROR_RESPONSE, $errorIndex);
		}
		else
		{
			
			return null;
		}
	}

	private function parserEncryptJSONItem($responseContent, $nodeName, $nodeIndex)
	{
		$signDataStartIndex = $nodeIndex + strlen($nodeName) + 2;
		$signIndex = strpos($responseContent, "\"" . $this->SIGN_NODE_NAME . "\"");
		// 签名前-逗号
		$signDataEndIndex = $signIndex - 1;
		
		if ($signDataEndIndex < 0)
		{
			
			$signDataEndIndex = strlen($responseContent) - 1;
		}
		
		$indexLen = $signDataEndIndex - $signDataStartIndex;
		
		$encContent = substr($responseContent, $signDataStartIndex + 1, $indexLen - 2);
		
		$encryptParseItem = new EncryptParseItem();
		
		$encryptParseItem->encryptContent = $encContent;
		$encryptParseItem->startIndex = $signDataStartIndex;
		$encryptParseItem->endIndex = $signDataEndIndex;
		
		return $encryptParseItem;
	}

	// 获取加密内容
	private function encryptXMLSignSource($request, $responseContent)
	{
		$parsetItem = $this->parserEncryptXMLSignSource($request, $responseContent);
		
		$bodyIndexContent = substr($responseContent, 0, $parsetItem->startIndex);
		$bodyEndContent = substr($responseContent, $parsetItem->endIndex, strlen($responseContent) + 1 - $parsetItem->endIndex);
		$bizContent = decrypt($parsetItem->encryptContent, $this->encryptKey);
		
		return $bodyIndexContent . $bizContent . $bodyEndContent;
	}

	private function parserEncryptXMLSignSource($request, $responseContent)
	{
		$apiName = $request->getApiMethodName();
		$rootNodeName = str_replace(".", "_", $apiName) . $this->RESPONSE_SUFFIX;
		
		$rootIndex = strpos($responseContent, $rootNodeName);
		$errorIndex = strpos($responseContent, $this->ERROR_RESPONSE);
		// $this->echoDebug("<br/>rootNodeName:" . $rootNodeName);
		// $this->echoDebug("<br/> responseContent:<xmp>" . $responseContent . "</xmp>");
		
		if ($rootIndex > 0)
		{
			
			return $this->parserEncryptXMLItem($responseContent, $rootNodeName, $rootIndex);
		}
		else if ($errorIndex > 0)
		{
			
			return $this->parserEncryptXMLItem($responseContent, $this->ERROR_RESPONSE, $errorIndex);
		}
		else
		{
			
			return null;
		}
	}

	private function parserEncryptXMLItem($responseContent, $nodeName, $nodeIndex)
	{
		$signDataStartIndex = $nodeIndex + strlen($nodeName) + 1;
		
		$xmlStartNode = "<" . $this->ENCRYPT_XML_NODE_NAME . ">";
		$xmlEndNode = "</" . $this->ENCRYPT_XML_NODE_NAME . ">";
		
		$indexOfXmlNode = strpos($responseContent, $xmlEndNode);
		if ($indexOfXmlNode < 0)
		{
			
			$item = new EncryptParseItem();
			$item->encryptContent = null;
			$item->startIndex = 0;
			$item->endIndex = 0;
			return $item;
		}
		
		$startIndex = $signDataStartIndex + strlen($xmlStartNode);
		$bizContentLen = $indexOfXmlNode - $startIndex;
		$bizContent = substr($responseContent, $startIndex, $bizContentLen);
		
		$encryptParseItem = new EncryptParseItem();
		$encryptParseItem->encryptContent = $bizContent;
		$encryptParseItem->startIndex = $signDataStartIndex;
		$encryptParseItem->endIndex = $indexOfXmlNode + strlen($xmlEndNode);
		
		return $encryptParseItem;
	}

	function echoDebug($content)
	{
		if ($this->debugInfo)
		{
			echo "<br/>" . $content;
		}
	}
}